144868697424 has 320 divisors, whose sum is σ = 469269964800. Its totient is φ = 42407193600.

The previous prime is 144868697401. The next prime is 144868697443. The reversal of 144868697424 is 424796868441.

144868697424 is a `hidden beast` number, since 1 + 4 + 48 + 6 + 86 + 97 + 424 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20064087 + ... + 20071305.

It is an arithmetic number, because the mean of its divisors is an integer number (1466468640).

Almost surely, 2^144868697424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144868697424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234634982400).

144868697424 is an abundant number, since it is smaller than the sum of its proper divisors (324401267376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144868697424 is a wasteful number, since it uses less digits than its factorization.

144868697424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7391 (or 7379 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 63.

The spelling of 144868697424 in words is "one hundred forty-four billion, eight hundred sixty-eight million, six hundred ninety-seven thousand, four hundred twenty-four".